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- EMDB-37088: Cryo-EM structure of human ATG9A in LMNG micelles -

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Basic information

Entry
Database: EMDB / ID: EMD-37088
TitleCryo-EM structure of human ATG9A in LMNG micelles
Map dataThe autophagy relate transmembrane protein ATG9A, lipid scramblase
Sample
  • Complex: ATG9A trimer
    • Protein or peptide: Autophagy-related protein 9A
KeywordsLipid scramblase / ATG9A / single particle cryo-EM / MEMBRANE PROTEIN
Function / homology
Function and homology information


phospholipid scramblase activity / programmed necrotic cell death / protein localization to phagophore assembly site / phagophore assembly site membrane / piecemeal microautophagy of the nucleus / phagophore assembly site / bone morphogenesis / reticulophagy / Macroautophagy / autophagosome assembly ...phospholipid scramblase activity / programmed necrotic cell death / protein localization to phagophore assembly site / phagophore assembly site membrane / piecemeal microautophagy of the nucleus / phagophore assembly site / bone morphogenesis / reticulophagy / Macroautophagy / autophagosome assembly / autophagosome / mitochondrial membrane / trans-Golgi network / recycling endosome / recycling endosome membrane / late endosome / late endosome membrane / endosome / Golgi membrane / intracellular membrane-bounded organelle / endoplasmic reticulum membrane / Golgi apparatus / mitochondrion / membrane
Similarity search - Function
Autophagy-related protein 9 / Autophagy protein ATG9
Similarity search - Domain/homology
Autophagy-related protein 9A
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.97 Å
AuthorsYang W / Goran S
Funding support China, 2 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)31950410540 China
Ministry of Science and Technology (MoST, China)QN2021032004L China
CitationJournal: To Be Published
Title: Structural basis for lipid transfer by the ATG2A-ATG9A complex
Authors: Yang W / Goran S
History
DepositionAug 4, 2023-
Header (metadata) releaseAug 7, 2024-
Map releaseAug 7, 2024-
UpdateAug 7, 2024-
Current statusAug 7, 2024Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_37088.png

Downloads & links

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Map

FileDownload / File: emd_37088.map.gz / Format: CCP4 / Size: 824 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationThe autophagy relate transmembrane protein ATG9A, lipid scramblase
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.85 Å/pix.
x 600 pix.
= 510. Å		0.85 Å/pix.
x 600 pix.
= 510. Å		0.85 Å/pix.
x 600 pix.
= 510. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.85 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.18
Minimum - Maximum-0.0017125634 - 2.4717972
Average (Standard dev.)0.00032822895 (±0.013354312)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions600600600
Spacing600600600
CellA=B=C: 510.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: Half map A of ATG9A

Fileemd_37088_half_map_1.map
AnnotationHalf map A of ATG9A
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half map B of ATG9A

Fileemd_37088_half_map_2.map
AnnotationHalf map B of ATG9A
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : ATG9A trimer

EntireName: ATG9A trimer
Components
  • Complex: ATG9A trimer
    • Protein or peptide: Autophagy-related protein 9A

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Supramolecule #1: ATG9A trimer

SupramoleculeName: ATG9A trimer / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 283 KDa

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Macromolecule #1: Autophagy-related protein 9A

MacromoleculeName: Autophagy-related protein 9A / type: protein_or_peptide / ID: 1 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 94.551031 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MAQFDTEYQR LEASYSDSPP GEEDLLVHVA EGSKSPWHHI ENLDLFFSRV YNLHQKNGFT CMLIGEIFEL MQFLFVVAFT TFLVSCVDY DILFANKMVN HSLHPTEPVK VTLPDAFLPA QVCSARIQEN GSLITILVIA GVFWIHRLIK FIYNICCYWE I HSFYLHAL ...String:
MAQFDTEYQR LEASYSDSPP GEEDLLVHVA EGSKSPWHHI ENLDLFFSRV YNLHQKNGFT CMLIGEIFEL MQFLFVVAFT TFLVSCVDY DILFANKMVN HSLHPTEPVK VTLPDAFLPA QVCSARIQEN GSLITILVIA GVFWIHRLIK FIYNICCYWE I HSFYLHAL RIPMSALPYC TWQEVQARIV QTQKEHQICI HKRELTELDI YHRILRFQNY MVALVNKSLL PLRFRLPGLG EA VFFTRGL KYNFELILFW GPGSLFLNEW SLKAEYKRGG QRLELAQRLS NRILWIGIAN FLLCPLILIW QILYAFFSYA EVL KREPGA LGARCWSLYG RCYLRHFNEL EHELQSRLNR GYKPASKYMN CFLSPLLTLL AKNGAFFAGS ILAVLIALTI YDED VLAVE HVLTTVTLLG VTVTVCRSFI PDQHMVFCPE QLLRVILAHI HYMPDHWQGN AHRSQTRDEF AQLFQYKAVF ILEEL LSPI VTPLILIFCL RPRALEIIDF FRNFTVEVVG VGDTCSFAQM DVRQHGHPQW LSAGQTEASV YQQAEDGKTE LSLMHF AIT NPGWQPPRES TAFLGFLKEQ VQRDGAAASL AQGGLLPENA LFTSIQSLQS ESEPLSLIAN VVAGSSCRGP PLPRDLQ GS RHRAEVASAL RSFSPLQPGQ APTGRAHSTM TGSGVDARTA SSGSSVWEGQ LQSLVLSEYA STEMSLHALY MHQLHKQQ A QAEPERHVWH RRESDESGES APDEGGEGAR APQSIPRSAS YPCAAPRPGA PETTALHGGF QRRYGGITDP GTVPRVPSH FSRLPLGGWA EDGQSASRHP EPVPEEGSED ELPPQVHKV

UniProtKB: Autophagy-related protein 9A

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 8
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 65.17 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 100.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.9000000000000001 µm / Nominal defocus min: 1.4000000000000001 µm / Nominal magnification: 105000
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: OTHER
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.97 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 224219
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
FSC plot (resolution estimation)

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